<template>
    <div class="error-container">
        <div class="error-content">
            <el-row :gutter="20">
                <el-col :lg="12" :md="12" :sm="24" :xl="12" :xs="24">
                    <div class="pic-error">
                        <img alt="401" class="pic-error-parent" src="@/assets/img/error_images/404.png"/>
                        <img alt="401" class="pic-error-child left" src="@/assets/img/error_images/cloud.png"/>
                    </div>
                </el-col>

                <el-col :lg="12" :md="12" :sm="24" :xl="12" :xs="24">
                    <div class="bullshit">
                        <div class="bullshit-oops">
                            {{ oops }}
                        </div>
                        <div class="bullshit-headline">
                            {{ headline }}
                        </div>
                        <div class="bullshit-info">
                            {{ info }}
                        </div>
                        <a class="bullshit-return-home" href="#/index">{{ jumpTime }}s&nbsp;{{ btn }}</a>
                    </div>
                </el-col>
            </el-row>
        </div>
    </div>
</template>

<script>
    import {ref} from 'vue'
    import {useRouter} from "vue-router";
    export default {
        setup() {
            const jumpTime = ref(5);
            const oops = '抱歉!';
            const headline = '当前页面不存在...';
            const info = '请检查您输入的网址是否正确，或点击下面的按钮返回首页。';
            const btn = '返回首页';
            const timer = 0;

            //倒计时
            const timeChange = () => {
                let time = jumpTime.value;
                let timer = setInterval(() => {
                    if (time) {
                        time--
                        jumpTime.value = time;
                    } else {
                        clearInterval(timer)
                        router.push({path:'/'})
                    }
                }, 1000)
            }
            timeChange();

            const router =  useRouter()

            return {
                jumpTime, oops, headline, info, btn, timer
            }

        }
    }
</script>


<style lang="scss" scoped>
    .error-container {
        position: absolute;
        top: 40%;
        left: 50%;
        width: 80%;
        transform: translate(-50%, -50%);

        .error-content {
            .pic-error {
                position: relative;
                float: left;
                width: 100%;
                overflow: hidden;

                &-parent {
                    width: 100%;
                }

                &-child {
                    position: absolute;
                    &.left {
                        top: 17px;
                        left: 220px;
                        width: 80px;
                        opacity: 0;
                        animation-name: cloudLeft;
                        animation-duration: 2s;
                        animation-timing-function: linear;
                        animation-delay: 1s;
                        animation-fill-mode: forwards;
                    }

                    &.mid {
                        top: 10px;
                        left: 420px;
                        width: 46px;
                        opacity: 0;
                        animation-name: cloudMid;
                        animation-duration: 2s;
                        animation-timing-function: linear;
                        animation-delay: 1.2s;
                        animation-fill-mode: forwards;
                    }

                    &.right {
                        top: 100px;
                        left: 500px;
                        width: 62px;
                        opacity: 0;
                        animation-name: cloudRight;
                        animation-duration: 2s;
                        animation-timing-function: linear;
                        animation-delay: 1s;
                        animation-fill-mode: forwards;
                    }

                    @keyframes cloudLeft {
                        0% {
                            top: 17px;
                            left: 220px;
                            opacity: 0;
                        }

                        20% {
                            top: 33px;
                            left: 188px;
                            opacity: 1;
                        }

                        80% {
                            top: 81px;
                            left: 92px;
                            opacity: 1;
                        }

                        100% {
                            top: 97px;
                            left: 60px;
                            opacity: 0;
                        }
                    }

                    @keyframes cloudMid {
                        0% {
                            top: 10px;
                            left: 420px;
                            opacity: 0;
                        }

                        20% {
                            top: 40px;
                            left: 360px;
                            opacity: 1;
                        }

                        70% {
                            top: 130px;
                            left: 180px;
                            opacity: 1;
                        }

                        100% {
                            top: 160px;
                            left: 120px;
                            opacity: 0;
                        }
                    }

                    @keyframes cloudRight {
                        0% {
                            top: 100px;
                            left: 500px;
                            opacity: 0;
                        }

                        20% {
                            top: 120px;
                            left: 460px;
                            opacity: 1;
                        }

                        80% {
                            top: 180px;
                            left: 340px;
                            opacity: 1;
                        }

                        100% {
                            top: 200px;
                            left: 300px;
                            opacity: 0;
                        }
                    }
                }
            }

            .bullshit {
                position: relative;
                float: left;
                width: 100%;
                padding: 28px 0;
                overflow: hidden;

                &-oops {
                    margin-bottom: 20px;
                    font-size: 32px;
                    font-weight: bold;
                    line-height: 40px;
                    opacity: 0;
                    animation-name: slideUp;
                    animation-duration: 0.5s;
                    animation-fill-mode: forwards;
                }

                &-headline {
                    margin-bottom: 10px;
                    font-size: 20px;
                    font-weight: bold;
                    line-height: 24px;
                    color: #222;
                    opacity: 0;
                    animation-name: slideUp;
                    animation-duration: 0.5s;
                    animation-delay: 0.1s;
                    animation-fill-mode: forwards;
                }

                &-info {
                    margin-bottom: 30px;
                    font-size: 13px;
                    line-height: 21px;
                    width: 80%;
                    opacity: 0;
                    animation-name: slideUp;
                    animation-duration: 0.5s;
                    animation-delay: 0.2s;
                    animation-fill-mode: forwards;
                }

                &-return-home {
                    display: block;
                    float: left;
                    width: 110px;
                    height: 36px;
                    font-size: 14px;
                    line-height: 36px;
                    color: var(--ea-theme-font-color);
                    text-align: center;
                    cursor: pointer;
                    border-radius: 100px;
                    opacity: 0;
                    animation-name: slideUp;
                    animation-duration: 0.5s;
                    animation-delay: 0.3s;
                    animation-fill-mode: forwards;
                    text-decoration: none;
                    background: var(--ea-theme-color);
                }

                @keyframes slideUp {
                    0% {
                        opacity: 0;
                        transform: translateY(60px);
                    }

                    100% {
                        opacity: 1;
                        transform: translateY(0);
                    }
                }
            }
        }
    }
</style>

